Remove FIB_1.0 support and fix FIB_2.0 issue

Change-Id: I90e593993851a364b728034c13e8e69852b558c4
Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>

5 files changed, 12 insertions, 110 deletions

diff --git a/netlink/librtnl/mapper.c b/netlink/librtnl/mapper.c
index 05b7f1d..207013c 100644
--- a/netlink/librtnl/mapper.c
+++ b/netlink/librtnl/mapper.c
@@ -18,13 +18,7 @@
 
 #include <vnet/ip/ip.h>
 #include <vnet/ip/lookup.h>
-
-#ifdef ip6_add_del_route_next_hop
-#define FIB_VERSION 1
-#else
 #include <vnet/fib/fib.h>
-#define FIB_VERSION 2
-#endif
 
 typedef struct {
   int linux_ifindex;
@@ -70,18 +64,6 @@ int mapper_add_del_route(mapper_ns_t *ns, ns_route_t *route, int del)
     if (route->rtm.rtm_dst_len >= 8 && route->dst[0] == 0xff)
       return 0;
 
-#if FIB_VERSION == 1
-    struct ip6_main_t *im = &ip6_main;
-    ip6_add_del_route_next_hop(im, //ip6_main
-                               del?IP6_ROUTE_FLAG_DEL:IP6_ROUTE_FLAG_ADD,  //flags (not del)
-                               (ip6_address_t *)&route->dst[0], //Dst addr
-                               route->rtm.rtm_dst_len, //Plen
-                               (ip6_address_t *)&route->gateway[0], //next-hop
-                               map->sw_if_index, //sw_if_index
-                               0, //weight
-                               ~0, //adj_index
-                               ns->v6fib_index);
-#else
     fib_prefix_t prefix;
     ip46_address_t nh;
 
@@ -99,20 +81,7 @@ int mapper_add_del_route(mapper_ns_t *ns, ns_route_t *route, int del)
                               0 /* weight */,
                               (fib_mpls_label_t *) MPLS_LABEL_INVALID,
                               FIB_ROUTE_PATH_FLAG_NONE);
-#endif /* FIB_VERSION == 1 */
   } else {
-#if FIB_VERSION == 1
-    struct ip4_main_t *im = &ip4_main;
-    ip4_add_del_route_next_hop(im, //ip4_main
-                               del?IP4_ROUTE_FLAG_DEL:IP4_ROUTE_FLAG_ADD,  //flags (not del)
-                               (ip4_address_t *)&route->dst[0], //Dst addr
-                               route->rtm.rtm_dst_len, //Plen
-                               (ip4_address_t *)&route->gateway[0], //next-hop
-                               map->sw_if_index, //sw_if_index
-                               0, //weight
-                               ~0, //adj_index
-                               ns->v4fib_index);
-#else
     fib_prefix_t prefix;
     ip46_address_t nh;
 
@@ -130,7 +99,6 @@ int mapper_add_del_route(mapper_ns_t *ns, ns_route_t *route, int del)
                               0 /* weight */,
                               (fib_mpls_label_t *) MPLS_LABEL_INVALID,
                               FIB_ROUTE_PATH_FLAG_NONE);
-#endif /* FIB_VERSION == 1 */
   }
 
   return 0;
diff --git a/router/Makefile.am b/router/Makefile.am
index b9de6a1..a4387dd 100644
--- a/router/Makefile.am
+++ b/router/Makefile.am
@@ -3,10 +3,15 @@ AUTOMAKE_OPTIONS = foreign subdir-objects
 AM_CFLAGS = -Wall -I@TOOLKIT_INCLUDE@
 
 lib_LTLIBRARIES = router.la
-router_la_SOURCES = router/tap_inject.c \
-                    router/tap_inject_netlink.c \
-                    router/tap_inject_node.c \
-                    router/tap_inject_tap.c
+router_la_SOURCES =     \
+    router/tap_inject.c \
+    router/tap_inject_netlink.c \
+    router/tap_inject_node.c \
+    router/tap_inject_tap.c
+
+nobase_include_HEADERS =	\
+    router/tap_inject.h
+
 router_la_LDFLAGS = -module
 router_la_LIBADD = -lrtnl
 
diff --git a/router/router/tap_inject.c b/router/router/tap_inject.c
index e8d3f98..f41ae86 100644
--- a/router/router/tap_inject.c
+++ b/router/router/tap_inject.c
@@ -19,12 +19,7 @@
 #include <vnet/mfib/mfib_table.h>
 #include <vnet/ip/ip.h>
 #include <vnet/ip/lookup.h>
-#ifdef ip6_add_del_route_next_hop
-#define FIB_VERSION 1
-#else
 #include <vnet/fib/fib.h>
-#define FIB_VERSION 2
-#endif
 
 static tap_inject_main_t tap_inject_main;
 extern dpo_type_t tap_inject_dpo_type;
@@ -146,36 +141,6 @@ tap_inject_enable (void)
   ip6_register_protocol (IP_PROTOCOL_TCP, im->tx_node_index);
   ip6_register_protocol (IP_PROTOCOL_UDP, im->tx_node_index);
 
-#if FIB_VERSION == 1
-  /* Add IPv4 multicast route. */
-  {
-    ip4_add_del_route_args_t a;
-    ip_adjacency_t add_adj;
-    u32 next_node_index;
-
-    memset (&a, 0, sizeof (a));
-    memset (&add_adj, 0, sizeof (add_adj));
-
-    a.add_adj = &add_adj;
-    a.n_add_adj = 1;
-
-    a.flags = IP4_ROUTE_FLAG_TABLE_ID | IP4_ROUTE_FLAG_ADD;
-    a.table_index_or_table_id = 0;
-    a.dst_address.as_u32 = 0x000000E0; /* 224.0.0.0 */
-    a.dst_address_length = 24;
-    a.adj_index = ~0;
-
-    next_node_index = vlib_node_add_next (vm, ip4_lookup_node.index,
-                                          im->tx_node_index);
-
-    add_adj.explicit_fib_index = ~0;
-    add_adj.rewrite_header.node_index = ip4_rewrite_node.index;
-    add_adj.lookup_next_index = next_node_index;
-    add_adj.if_address_index = ~0;
-
-    ip4_add_del_route (&ip4_main, &a);
-  }
-#else
   {
     dpo_id_t dpo = DPO_INVALID;
 
@@ -203,7 +168,6 @@ tap_inject_enable (void)
 
     dpo_reset(&dpo);
   }
-#endif /* FIB_VERSION == 1 */
 
   im->flags |= TAP_INJECT_F_ENABLED;
 
diff --git a/router/router/tap_inject.h b/router/router/tap_inject.h
index 001ab52..ec5121a 100644
--- a/router/router/tap_inject.h
+++ b/router/router/tap_inject.h
@@ -20,7 +20,6 @@
 #include <vnet/plugin/plugin.h>
 #include <vnet/ip/ip.h>
 
-
 #ifndef ETHER_ADDR_LEN
 #define ETHER_ADDR_LEN 6
 #endif
diff --git a/router/router/tap_inject_netlink.c b/router/router/tap_inject_netlink.c
index 3dca013..bd5da49 100644
--- a/router/router/tap_inject_netlink.c
+++ b/router/router/tap_inject_netlink.c
@@ -14,25 +14,18 @@
  * limitations under the License.
  */
 
-#include "tap_inject.h"
 #include <librtnl/netns.h>
 #include <vlibmemory/api.h>
-#include <vnet/ethernet/arp_packet.h>
 #include <vnet/ip/ip6_neighbor.h>
-
-#include <vnet/ip/ip.h>
 #include <vnet/ip/lookup.h>
-#ifdef ip6_add_del_route_next_hop
-#define FIB_VERSION 1
-#else
 #include <vnet/fib/fib.h>
-#define FIB_VERSION 2
-#endif
-
+#include <vnet/ethernet/arp.h>
 #include <arpa/inet.h>
 #include <linux/mpls.h>
 #include <vnet/mpls/packet.h>
 
+#include "tap_inject.h"
+
 static void
 add_del_addr (ns_addr_t * a, int is_del)
 {
@@ -124,37 +117,24 @@ add_del_neigh (ns_neigh_t * n, int is_del)
 
       if (n->nd.ndm_state & NUD_REACHABLE)
         {
-#if FIB_VERSION == 1
-          vnet_arp_set_ip4_over_ethernet (vnet_main, sw_if_index, ~0, &a, 0);
-#else
           vnet_arp_set_ip4_over_ethernet (vnet_main, sw_if_index,
                                           &a, 0 /* static */ ,
                                           0 /* no fib entry */);
 
-#endif /* FIB_VERSION == 1 */
         }
       else if (n->nd.ndm_state & NUD_FAILED)
         {
-#if FIB_VERSION == 1
-          vnet_arp_unset_ip4_over_ethernet (vnet_main, sw_if_index, ~0, &a);
-#else
           vnet_arp_unset_ip4_over_ethernet (vnet_main, sw_if_index, &a);
-#endif /* FIB_VERSION == 1 */
         }
     }
   else if (n->nd.ndm_family == AF_INET6)
     {
       if (n->nd.ndm_state & NUD_REACHABLE)
         {
-#if FIB_VERSION == 1
-          vnet_set_ip6_ethernet_neighbor (vm, sw_if_index,
-                                          (ip6_address_t *) n->dst, n->lladdr, ETHER_ADDR_LEN, 0);
-#else
           vnet_set_ip6_ethernet_neighbor (vm, sw_if_index,
                                           (ip6_address_t *) n->dst, n->lladdr, ETHER_ADDR_LEN,
                                           0 /* static */,
                                           0 /* no fib entry */);
-#endif /* FIB_VERSION == 1 */
         }
       else
         vnet_unset_ip6_ethernet_neighbor (vm, sw_if_index,
@@ -194,12 +174,6 @@ add_del_route (ns_route_t * r, int is_del)
     {
       u32 stack[MPLS_STACK_DEPTH] = {0};
 
-#if FIB_VERSION == 1
-      ip4_add_del_route_next_hop (&ip4_main,
-                                  is_del ? IP4_ROUTE_FLAG_DEL : IP4_ROUTE_FLAG_ADD,
-                                  (ip4_address_t *) r->dst, r->rtm.rtm_dst_len,
-                                  (ip4_address_t *) r->gateway, sw_if_index, 0, ~0, 0);
-#else
       fib_prefix_t prefix;
       ip46_address_t nh;
 
@@ -234,16 +208,9 @@ add_del_route (ns_route_t * r, int is_del)
                                   FIB_ENTRY_FLAG_NONE,
                                   rpaths);
       }
-#endif /* FIB_VERSION == 1 */
     }
   else if (r->rtm.rtm_family == AF_INET6)
     {
-#if FIB_VERSION == 1
-      ip6_add_del_route_next_hop (&ip6_main,
-                                  is_del ? IP6_ROUTE_FLAG_DEL : IP6_ROUTE_FLAG_ADD,
-                                  (ip6_address_t *) r->dst, r->rtm.rtm_dst_len,
-                                  (ip6_address_t *) r->gateway, sw_if_index, 0, ~0, 0);
-#else
       fib_prefix_t prefix;
       ip46_address_t nh;
       memset (&prefix, 0, sizeof (prefix));
@@ -257,7 +224,6 @@ add_del_route (ns_route_t * r, int is_del)
                                 &nh, sw_if_index, 0,
                                 0 /* weight */, NULL,
                                 FIB_ROUTE_PATH_FLAG_NONE);
-#endif /* FIB_VERSION == 1 */
     }
   else if (r->rtm.rtm_family == AF_MPLS)
     {